Illustration: Nicholas Davison

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Scrubbing...and Scrubbing...and Scrubbing
Even though you've thoroughly washed it, you may have noticed that your Instant Pot's stainless-steel inner pot has rainbow-like streaks running across it. The company says this is normal and harmless (they even have an apt name for it: "rainbowing") and won't impact the taste of your food. Exposure to high heat, cooking starchy foods such as rice or pasta, and even some detergents can cause the reaction. If the discoloration is bothering you enough, you can try one of these cleaning methods.

Print and download a full cheat sheet here.